#include <stdio.h>

int AddToTop(int top)
{
    int res = 0;
    int i = 0;
   
    for(i = 0; i <= top; i++)
    {
        res += i;

    }

    return res;

}

int main()
{
    int top = 100;
    
    int result = AddToTop(top);
   
    printf("%d\n", result);
    
    return 0;
}
